290104490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{881}}^1$

素因数の和:1067

約数の個数: 64

約数和(自身を含む): 600112800

約数和(自身を除く): 310008310

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 149, 170, 221, 298, 442, 745, 881, 1105, 1490, 1762, 1937, 2210, 2533, 3874, 4405, 5066, 8810, 9685, 11453, 12665, 14977, 19370, 22906, 25330, 29954, 32929, 57265, 65858, 74885, 114530, 131269, 149770, 164645, 194701, 262538, 329290, 389402, 656345, 973505, 1312690, 1706497, 1947010, 2231573, 3412994, 4463146, 8532485, 11157865, 17064970, 22315730, 29010449, 58020898, 145052245, 290104490]

約数ペア:

[(1, 290104490), (2, 145052245), (5, 58020898), (10, 29010449), (13, 22315730), (17, 17064970), (26, 11157865), (34, 8532485), (65, 4463146), (85, 3412994), (130, 2231573), (149, 1947010), (170, 1706497), (221, 1312690), (298, 973505), (442, 656345), (745, 389402), (881, 329290), (1105, 262538), (1490, 194701), (1762, 164645), (1937, 149770), (2210, 131269), (2533, 114530), (3874, 74885), (4405, 65858), (5066, 57265), (8810, 32929), (9685, 29954), (11453, 25330), (12665, 22906), (14977, 19370)]